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                  <a href="#gst-plugins-base-libs-GstAudio-IEC61937.description" class="shortcut">Description</a></span>
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<a name="gst-plugins-base-libs-GstAudio-IEC61937"></a><div class="titlepage"></div>
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<h2><span class="refentrytitle"><a name="gst-plugins-base-libs-GstAudio-IEC61937.top_of_page"></a>GstAudio IEC61937</span></h2>
<p>GstAudio IEC61937 — Utility functions for IEC 61937 payloading</p>
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<a name="gst-plugins-base-libs-GstAudio-IEC61937.functions"></a><h2>Functions</h2>
<div class="informaltable"><table class="informaltable" width="100%" border="0">
<colgroup>
<col width="150px" class="functions_return">
<col class="functions_name">
</colgroup>
<tbody>
<tr>
<td class="function_type">
<a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#guint"><span class="returnvalue">guint</span></a>
</td>
<td class="function_name">
<a class="link" href="gst-plugins-base-libs-GstAudio-IEC61937.html#gst-audio-iec61937-frame-size" title="gst_audio_iec61937_frame_size ()">gst_audio_iec61937_frame_size</a> <span class="c_punctuation">()</span>
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<td class="function_type">
<a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gboolean"><span class="returnvalue">gboolean</span></a>
</td>
<td class="function_name">
<a class="link" href="gst-plugins-base-libs-GstAudio-IEC61937.html#gst-audio-iec61937-payload" title="gst_audio_iec61937_payload ()">gst_audio_iec61937_payload</a> <span class="c_punctuation">()</span>
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<div class="refsect1">
<a name="gst-plugins-base-libs-GstAudio-IEC61937.includes"></a><h2>Includes</h2>
<pre class="synopsis">#include &lt;gst/audio/audio.h&gt;
</pre>
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<div class="refsect1">
<a name="gst-plugins-base-libs-GstAudio-IEC61937.description"></a><h2>Description</h2>
<p>This module contains some helper functions for encapsulating various
audio formats in IEC 61937 headers and padding.</p>
</div>
<div class="refsect1">
<a name="gst-plugins-base-libs-GstAudio-IEC61937.functions_details"></a><h2>Functions</h2>
<div class="refsect2">
<a name="gst-audio-iec61937-frame-size"></a><h3>gst_audio_iec61937_frame_size ()</h3>
<pre class="programlisting"><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#guint"><span class="returnvalue">guint</span></a>
gst_audio_iec61937_frame_size (<em class="parameter"><code>const <a class="link" href="GstAudioRingBuffer.html#GstAudioRingBufferSpec" title="struct GstAudioRingBufferSpec"><span class="type">GstAudioRingBufferSpec</span></a> *spec</code></em>);</pre>
<p>Calculated the size of the buffer expected by <a class="link" href="gst-plugins-base-libs-GstAudio-IEC61937.html#gst-audio-iec61937-payload" title="gst_audio_iec61937_payload ()"><code class="function">gst_audio_iec61937_payload()</code></a> for
payloading type from <em class="parameter"><code>spec</code></em>
.</p>
<div class="refsect3">
<a name="gst-audio-iec61937-frame-size.parameters"></a><h4>Parameters</h4>
<div class="informaltable"><table class="informaltable" width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody><tr>
<td class="parameter_name"><p>spec</p></td>
<td class="parameter_description"><p>the ringbufer spec</p></td>
<td class="parameter_annotations"> </td>
</tr></tbody>
</table></div>
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<div class="refsect3">
<a name="gst-audio-iec61937-frame-size.returns"></a><h4>Returns</h4>
<p> the size or 0 if the given <em class="parameter"><code>type</code></em>
is not supported or cannot be
payloaded.</p>
</div>
</div>
<hr>
<div class="refsect2">
<a name="gst-audio-iec61937-payload"></a><h3>gst_audio_iec61937_payload ()</h3>
<pre class="programlisting"><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gboolean"><span class="returnvalue">gboolean</span></a>
gst_audio_iec61937_payload (<em class="parameter"><code>const <a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#guint8"><span class="type">guint8</span></a> *src</code></em>,
                            <em class="parameter"><code><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#guint"><span class="type">guint</span></a> src_n</code></em>,
                            <em class="parameter"><code><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#guint8"><span class="type">guint8</span></a> *dst</code></em>,
                            <em class="parameter"><code><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#guint"><span class="type">guint</span></a> dst_n</code></em>,
                            <em class="parameter"><code>const <a class="link" href="GstAudioRingBuffer.html#GstAudioRingBufferSpec" title="struct GstAudioRingBufferSpec"><span class="type">GstAudioRingBufferSpec</span></a> *spec</code></em>,
                            <em class="parameter"><code><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gint"><span class="type">gint</span></a> endianness</code></em>);</pre>
<p>Payloads <em class="parameter"><code>src</code></em>
 in the form specified by IEC 61937 for the type from <em class="parameter"><code>spec</code></em>
 and
stores the result in <em class="parameter"><code>dst</code></em>
. <em class="parameter"><code>src</code></em>
 must contain exactly one frame of data and
the frame is not checked for errors.</p>
<div class="refsect3">
<a name="gst-audio-iec61937-payload.parameters"></a><h4>Parameters</h4>
<div class="informaltable"><table class="informaltable" width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody>
<tr>
<td class="parameter_name"><p>src</p></td>
<td class="parameter_description"><p>a buffer containing the data to payload. </p></td>
<td class="parameter_annotations"><span class="annotation">[<acronym title="Parameter points to an array of items."><span class="acronym">array</span></acronym> length=src_n]</span></td>
</tr>
<tr>
<td class="parameter_name"><p>src_n</p></td>
<td class="parameter_description"><p>size of <em class="parameter"><code>src</code></em>
in bytes</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>dst</p></td>
<td class="parameter_description"><p>the destination buffer to store the
payloaded contents in. Should not overlap with <em class="parameter"><code>src</code></em>
. </p></td>
<td class="parameter_annotations"><span class="annotation">[<acronym title="Parameter points to an array of items."><span class="acronym">array</span></acronym> length=dst_n]</span></td>
</tr>
<tr>
<td class="parameter_name"><p>dst_n</p></td>
<td class="parameter_description"><p>size of <em class="parameter"><code>dst</code></em>
in bytes</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>spec</p></td>
<td class="parameter_description"><p>the ringbufer spec for <em class="parameter"><code>src</code></em>
</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>endianness</p></td>
<td class="parameter_description"><p>the expected byte order of the payloaded data</p></td>
<td class="parameter_annotations"> </td>
</tr>
</tbody>
</table></div>
</div>
<div class="refsect3">
<a name="gst-audio-iec61937-payload.returns"></a><h4>Returns</h4>
<p> transfer-full: <a href="/usr/share/gtk-doc/html/glib/glib-Standard-Macros.html#TRUE:CAPS"><code class="literal">TRUE</code></a> if the payloading was successful, <a href="/usr/share/gtk-doc/html/glib/glib-Standard-Macros.html#FALSE:CAPS"><code class="literal">FALSE</code></a>
otherwise.</p>
</div>
</div>
</div>
<div class="refsect1">
<a name="gst-plugins-base-libs-GstAudio-IEC61937.other_details"></a><h2>Types and Values</h2>
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